Attributes now have YAML values

plug-api/lib/attribute.ts

@@ -1,28 +1,28 @@
 import {
   findNodeOfType,
   ParseTree,
-  replaceNodesMatching,
+  replaceNodesMatchingAsync,
 } from "$sb/lib/tree.ts";
 
+import { YAML } from "$sb/plugos-syscall/mod.ts";
+
 export type Attribute = {
   name: string;
   value: string;
 };
 
-const numberRegex = /^-?\d+(\.\d+)?$/;
-
 /**
  * Extracts attributes from a tree, optionally cleaning them out of the tree.
  * @param tree tree to extract attributes from
  * @param clean whether or not to clean out the attributes from the tree
  * @returns mapping from attribute name to attribute value
  */
-export function extractAttributes(
+export async function extractAttributes(
   tree: ParseTree,
   clean: boolean,
-): Record<string, any> {
+): Promise<Record<string, any>> {
   const attributes: Record<string, any> = {};
-  replaceNodesMatching(tree, (n) => {
+  await replaceNodesMatchingAsync(tree, async (n) => {
     if (n.type === "ListItem") {
       // Find top-level only, no nested lists
       return n;
@@ -31,11 +31,13 @@ export function extractAttributes(
       const nameNode = findNodeOfType(n, "AttributeName");
       const valueNode = findNodeOfType(n, "AttributeValue");
       if (nameNode && valueNode) {
-        let val: any = valueNode.children![0].text!;
-        if (numberRegex.test(val)) {
-          val = +val;
+        const name = nameNode.children![0].text!;
+        const val = valueNode.children![0].text!;
+        try {
+          attributes[name] = await YAML.parse(val);
+        } catch (e: any) {
+          console.error("Error parsing attribute value as YAML", val, e);
         }
-        attributes[nameNode.children![0].text!] = val;
       }
       // Remove from tree
       if (clean) {